Page:Smith - Number Stories of Long ago (1919).djvu/95

 THE QUESTION BOX

1. What aids in multiplying were used in ancient times by people who had numeral systems that were something like the Romans?

2. Can you tell why the ancients had less use for multiplication than we have ?

3. About how long ago did Leonardo of Pisa live, and what was there peculiar about his arrangement of the work in multiplication?

4. About when was the first printed arithmetic published, and in what country?

5. Show on paper one of the ways in which they multiplied 934 by 314 when the first arithmetic was printed.

6. In what respect did Cuthbert Tonstall’s work in multiplication differ from ours?

7. How did Johann Widman arrange the multiplication tables in his book ?

8. Why was one kind of multiplication called the chessboard method?

9. Why was one kind of multiplication called the grating method?

10. How do you think large corporations that have a great deal of multiplying to do proceed to find products of numbers?

11. What short methods in multiplication have you learned in school? 72